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Elif Demir, Serdar Akbayrak, Ahmet M Önal, Saim Özkar
Ruthenium(0) nanoparticles supported on nanoceria (Ru0/CeO2) were prepared by reduction of Ru3+ ions on the surface of ceria using aqueous solution of NaBH4. The Ru0/CeO2 samples were characterized by advanced analytical tools and employed as electrocatalysts on the glassy carbon electrode (GCE) in hydrogen evolution from water. The GCE, modified by Ru0/CeO2 (1.86 wt % Ru), provides an incredible electrocatalytic activity with a high exchange current density of 0.67 mA·cm-2, low overpotential of 47 mV at j = 10 mA·cm-2, and small Tafel slope of 41 mV·dec-1...
February 8, 2018: ACS Applied Materials & Interfaces
Meral Kayikcioglu, Lale Tokgozoglu, Mehmet Yilmaz, Leylagul Kaynar, Melih Aktan, Rana Berru Durmuş, Cumali Gokce, Ahmet Temizhan, Osman Ilhami Ozcebe, Tulay Karaagac Akyol, Harika Okutan, Saim Sag, Ozen Oz Gul, Zafer Salcioglu, Mustafa Yenercag, Bulent B Altunkeser, Irfan Kuku, Hamiyet Yilmaz Yasar, Erdal Kurtoglu, Melis Demir Kose, Sinan Demircioglu, Zafer Pekkolay, Osman Ilhan
BACKGROUND AND AIMS: Homozygous familial hypercholesterolemia (HoFH) is a genetic condition characterized by lethally high levels of low-density lipoprotein cholesterol (LDL-C) from birth, and requires rapid and aggressive intervention to prevent death due to coronary heart disease and/or atherosclerosis. Where available, lipoprotein apheresis (LA) is the mainstay of treatment to promote survival. METHODS: A-HIT1 registry was conducted with the aim of providing insight to the real-life management of HoFH patients undergoing LA in Turkey, where LA procedures are fully reimbursed and widely available...
January 29, 2018: Atherosclerosis
Nikolaos Perakakis, Wael Ghaly, Natia Peradze, Chrysoula Boutari, Saime Batirel, Vivian Paraskevi Douglas, Christos S Mantzoros
No abstract text is available yet for this article.
January 25, 2018: Metabolism: Clinical and Experimental
Ali Cengiz, Muhsin Nuh Aybay, Saim Furkan Sarıcı, Vefa Öner, Fatma Zeynep Arslan, Arzu Cengiz
No abstract text is available yet for this article.
January 5, 2018: Journal of Oncology Practice
Nagihan Bilal, Turab Selcuk, Selman Sarica, Ahmet Alkan, İsrafil Orhan, Adem Doganer, Saime Sagiroglu, Mehmet Akif Kılıc
OBJECTIVE: The aim of this study was to determine nodules using newly developed software with a computer-assisted visual process technique for the calculation of size. The effects of the ratios of nodule base and width were evaluated with voice acoustic analysis. METHODS: A total of 72 patients with pediatric vocal nodule were evaluated. Nodules were marked with the ImageJ News program on photographs obtained from the video recordings in the videostroboscopic examination and classified according to the Shah et al scale...
December 19, 2017: Journal of Voice: Official Journal of the Voice Foundation
Rohaina Che Man, Then Kong Yong, Ng Min Hwei, Wan Haslina Wan Abdul Halim, Aida Zairani Mohd Zahidin, Roszalina Ramli, Aminuddin Bin Saim, Ruszymah Binti Hj Idrus
Various clinical disorders and injuries, such as chemical, thermal, or mechanical injuries, may lead to corneal loss that results in blindness. PURPOSE : The aims of this study were to differentiate human buccal mucosa (BMuc) into corneal epithelial-like cells, to fabricate engineered corneal tissue using buccal mucosal epithelial cells, and to reconstruct a damaged corneal epithelium in a nude rat model. Methods: BMuc were subjected to 10 d of induction factors to investigate the potential of cells to differentiate into corneal lineages...
2017: Molecular Vision
Rahmi Ozdemir, Mehmet Kucuk, Saime Ergen Dibeklioglu
Background: The etiology of myocarditis in children has not yet been completely elucidated. Objective: Medical records of eight pediatric patients diagnosed with acute myocarditis within a 41-day period in a small-town hospital were retrospectively analyzed. Methods: We examined antibody titers of adenovirus, Epstein-Barr virus, herpes simplex virus, respiratory syncytial virus, varicella-zoster virus and cytomegalovirus in peripheral blood...
November 30, 2017: Journal of Tropical Pediatrics
Muhammad Saim Khan, Asad Habib, Mazhar Ishaq, Muhammad Amer Yaqub
OBJECTIVE: To compare the change in endothelial cell count after femtosecond laser-assisted cataract surgery (FLACS) versus conventional phacoemulsification. STUDY DESIGN: Randomized controlled clinical trial. PLACE AND DURATION OF STUDY: Armed Forces Institute of Ophthalmology, Rawalpindi, Pakistan from January 2016 to August 2017. METHODOLOGY: Patients with senile cataract and age ranging from 40 to 80 years were included in the study...
December 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Hanne Stotesbury, Sebastian B Gaigg, Saim Kirhan, Corinna Haenschel
Schizophrenia Spectrum Disorders (SSD) are known to be characterised by abnormalities in attentional processes, but there are inconsistencies in the literature that remain unresolved. This article considers whether perceptual resource limitations play a role in moderating attentional abnormalities in SSD. According to perceptual load theory, perceptual resource limitations can lead to attenuated or superior performance on dual-task paradigms depending on whether participants are required to process, or attempt to ignore, secondary stimuli...
March 2018: Schizophrenia Research. Cognition
Yalçın Tonbul, Serdar Akbayrak, Saim Özkar
Nanozirconia supported ruthenium(0) nanoparticles (Ru(0)/ZrO2) were prepared by impregnation of ruthenium(III) cations on the surface of zirconia followed by their reduction with sodium borohydride at room temperature. Ru(0)/ZrO2 was isolated from the reaction solution by centrifugation and characterized by ICP-OES, XRD, TEM, SEM-EDS and XPS techniques. All the results reveal that ruthenium(0) nanoparticles were successfully supported on zirconia and the resulting Ru(0)/ZrO2 is a highly active and reusable catalyst for hydrogen generation from the hydrolysis of ammonia borane with a turnover frequency value of 173 min(-1) at 25 °C...
November 13, 2017: Journal of Colloid and Interface Science
Murtaza Sameen, Muhammad Saim Khan, Asad Habib, Muhammad Amer Yaqub, Mazhar Ishaq
Objective: To compare post-operative pain relieving effect of topical diclofenac 0.1% versus ketorolac 0.5% in Corneal Collagen Cross Linking (CXL) for patients diagnosed with keratoconus. Methods: This randomized controlled trial was carried out for six months from October 2016 to March 2017. We included young patients having keratoconus with k-readings greater than 47D and central corneal thickness more than 400 microns. All the patients received single dose one drop of topical diclofenac 0...
September 2017: Pakistan Journal of Medical Sciences Quarterly
Saime Batirel, Ayse Mine Yilmaz, Ali Sahin, Nikolaos Perakakis, Nesrin Kartal Ozer, Christos S Mantzoros
BACKGROUND: Walnuts contain many components including specific fatty acids, which could be active against cancer. Even though the anticarcinogenic effect of some of the individual fatty acids in walnut oil has been described, the effect of walnut oil itself on esophageal cancer cells hasn't yet been investigated. OBJECTIVE: We aimed to investigate whether walnut oil affects tumor growth and metastatic potential in esophageal cancer cells. METHODS: The human esophageal adenocarcinoma cell line, OE19, was treated with different doses of walnut oil and cell viability, apoptosis/necrosis and cell cycle analyses were performed using WST-1 assay and flow cytometry respectively...
November 1, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Davut Sahin, Uguray Payam Hacisalihoglu, Saime Hale Kirimlioglu
INTRODUCTION: This study aimed to discuss smartphone usage in telecytology and determine intraobserver concordance between microscopic cytopathological diagnoses and diagnoses derived via static smartphone images. METHODS: The study was conducted with 172 cytologic material. A pathologist captured static images of the cytology slides from the ocular lens of a microscope using a smartphone. The images were transferred via WhatsApp® to a cytopathologist working in another center who made all the microscopic cytopathological diagnoses 5-27 months ago...
January 2018: Diagnostic Cytopathology
Stephen P Mayock, Said Saim, Alison B Fleming
Following correction should be noted.
December 2017: Clinical Drug Investigation
Nor Suhaila Mohamad Hanapi, Mohd Marsin Sanagi, Abd Khamim Ismail, Nor'ashikin Saim, Wan Nazihah Wan Ibrahim, Wan Aini Wan Ibrahim, Faridah Mohd Marsin
Two-phase micro-electrodriven membrane extraction (EME) procedure for the pre-concentration of selected non-steroidal anti-inflammatory drugs (NSAIDs) in aquatic matrices was investigated. Agarose film was used as interface between donor and acceptor phase in EME which allowed for selective extraction of the analytes prior to high performance liquid chromatography-ultraviolet detection. Charged analytes were transported from basic aqueous sample solution through agarose film into 1-octanol as an acceptor phase at 9 V potential...
October 23, 2017: Journal of Chromatographic Science
Muzaffer Ilhan, Seda Turgut, Saime Turan, Sema Demirci Cekic, Hayriye Arzu Ergen, Gurbet Korkmaz Dursun, Brunilda Mezani, Ozcan Karaman, Ilhan Yaylim, Mustafa Resat Apak, Ertugrul Tasan
Oxidative status is attributed to endothelial dysfunction and might be one of the key mechanisms of endothelial dysfunction in acromegaly. In this study, we aimed to investigate the effect of acromegaly on superoxide dismutase (SOD) and total antioxidant capacity (TAC) levels, and the possible influence of human manganese superoxide dismutase (MnSOD) polymorphism on these levels. 51 acromegaly patients and 57 age and sex matched healthy subjects were recruited to the study in Bezmialem Vakif University Hospital between 2011 and 2014...
October 17, 2017: Endocrine Journal
Zati Sharip, Norbaya Hashim, Saim Suratman
This study investigates the presence and distribution of organochlorine pesticides in streams and the lake in the Sembrong Lake Basin in Malaysia. The catchment of Sembrong Lake has been converted to agricultural areas over the past 30 years, with oil palm plantations and modern agricultural farming being the main land use. Surface water samples were collected from eight sites comprising the stream and lake and analysed for 19 organochlorine pesticides (OCPs). In situ measurement of temperature, dissolved oxygen, pH and conductivity were also undertaken at each site...
October 15, 2017: Environmental Monitoring and Assessment
Nihal Büyükuslu, Sema Ovalı, Şükriye Leyla Altuntaş, Saime Batırel, Pakize Yiğit, Muazzez Garipağaoğlu
Omega-3 fatty acids (n-3 FA), specifically DHA, are associated with fetal growth and development. We aimed to determine the levels of DHA and EPA in cord serum after n-3 FA supplementation during the last trimester of pregnancy. Among 55 women, 23 were administered daily one capsule of n-3 FA supplement, involving DHA/EPA in a ratio of 1/1.3. Twenty nine women were enrolled as control group. Blood samples were collected at 22-24 weeks of gestation and at delivery. Fatty acids were analyzed with the method of GC-MS...
October 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
Faizah Naseeruteen, Nur Shahirah Abdul Hamid, Faiz Bukhari Mohd Suah, Wan Saime Wan Ngah, Faizatul Shimal Mehamod
Chitosan ionic liquid beads were prepared from chitosan and 1-butyl-3-methylimidazolium based ionic liquids to remove Malachite Green (MG) from aqueous solutions. Batch adsorption experiments were carried out as a function of initial pH, adsorbent dosage, agitation time and initial MG concentration. The optimum conditions were obtained at pH 4.0, 0.008g of adsorbent dosage and 20min of agitation time were utilized in the kinetic and isotherm studies. Three kinetic models were applied to analyze the kinetic data and pseudo-second order was found to be the best fitted model with R(2)>0...
September 28, 2017: International Journal of Biological Macromolecules
Stephen P Mayock, Said Saim, Alison B Fleming
BACKGROUND AND OBJECTIVE: Extended-release (ER) opioids are associated with high rates of abuse. Recreational opioid users often manipulate ER formulations to achieve a high plasma concentration in a short amount of time, resulting in a more rapid and intense high. Patients may also manipulate ER tablets to facilitate swallowing, without recognizing that manipulation could increase release rate. The goal of this study was to assess the ability of oxycodone DETERx (Xtampza® ER, Collegium Pharmaceutical, Inc...
December 2017: Clinical Drug Investigation
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